Two Loudspeakers Placed 6

question 42

Multiple Choice

Two loudspeakers placed 6.0 m apart are driven in phase by an audio oscillator whose frequency range is to A point P is located from one loudspeaker and 3.6 m from the other.The speed of sound is 344 m/s.The frequency produced by the oscillator,for which constructive interference of sound occurs at point P,is closest to

• A) 2580 Hz.
• B) 2903 Hz.
• C) 2473 Hz.
• D) 2795 Hz.
• E) 2688 Hz.

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